Kingdom Animalia Class Cephalopoda Rank Genus | Phylum Mollusca Subclass Nautiloidea | |
Similar Cyrtoceras, Trochoceras, Gomphoceras, Goldringia | ||
Gyroceras is an extinct genus of prehistoric nautiloids. The nautiloids are a subclass of shelled cephalopods that were once diverse and numerous but are now represented by only a handful of species.
References
Gyroceras Wikipedia(Text) CC BY-SA